From 1b6c0c7d8e517bbcec65e327ee037c185eb4c91f Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Sat, 28 Feb 2026 20:01:57 +0000
Subject: [PATCH] Recognise `NU1801` in addition to `NU1301`

---
 .../Semmle.Extraction.CSharp.DependencyFetching/IDotNet.cs     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/IDotNet.cs b/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/IDotNet.cs
index eec6a2b8d3b..3a1d1cc9809 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/IDotNet.cs
+++ b/csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/IDotNet.cs
@@ -27,7 +27,8 @@ namespace Semmle.Extraction.CSharp.DependencyFetching
         private readonly Lazy<IEnumerable<string>> restoredProjects = new(() => GetFirstGroupOnMatch(RestoredProjectRegex(), Output));
         public IEnumerable<string> RestoredProjects => Success ? restoredProjects.Value : Array.Empty<string>();
 
-        private readonly Lazy<bool> hasNugetPackageSourceError = new(() => Output.Any(s => s.Contains("NU1301")));
+        // NU1301 is the error and NU1801 is the equivalent warning.
+        private readonly Lazy<bool> hasNugetPackageSourceError = new(() => Output.Any(s => s.Contains("NU1301") || s.Contains("NU1801")));
         public bool HasNugetPackageSourceError => hasNugetPackageSourceError.Value;
 
         private readonly Lazy<bool> hasNugetNoStablePackageVersionError = new(() => Output.Any(s => s.Contains("NU1103")));